3.16.52-rc1 review patch. If anyone has any objections, please let me know.
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From: Joerg Roedel jroedel@suse.de
commit ce76353f169a6471542d999baf3d29b121dce9c0 upstream.
The function only sends the flush command to the IOMMU(s), but does not wait for its completion when it returns. Fix that.
Fixes: 601367d76bd1 ('x86/amd-iommu: Remove iommu_flush_domain function') Signed-off-by: Joerg Roedel jroedel@suse.de Signed-off-by: Ben Hutchings ben@decadent.org.uk --- drivers/iommu/amd_iommu.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3440,6 +3440,7 @@ static size_t amd_iommu_unmap(struct iom mutex_unlock(&domain->api_lock);
domain_flush_tlb_pde(domain); + domain_flush_complete(domain);
return unmap_size; }